Sandwich



FIG. 1 is a front, top perspective view of a sandwich showing my new design;

FIG. 2 is a front view thereof, the rear view being the same;

FIG. 3 is a front, bottom perspective view thereof; and,

FIG. 4 is a view of the illustration showing in FIG. 3 in the direction of arrows 4. 

The ornamental design for a sandwich, as shown and described. 